MAHLE Original piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE Original piston rings lead the industry for the latest piston ring technology. PartNumber : mhl41492.040 Description : Engine Piston Ring Set Piston Ring Size : 0.040IN Top Ring Thickness (Axial Height) : 0.0586 in Top Ring Material : Carbon Steel Second Ring Material : Carbon Steel Second Ring Thickness (Axial Height) : 0.0587 in Oil Ring Assembly Thickness (Axial Height) : 0.1575 in Oil Ring Assembly Material : Stainless Steel Item Grade : Premium Piston Ring Face Coating : Chrome Piston Ring Oversize : 0.040 in Bore Diameter (in) : 3.2677 Size : Shallow Groove 1984-1985 Chevrolet Chevette Base L4.-cc Engine Components::Piston Rings 1984-1987 Chevrolet Chevette CS L4.-cc Engine Components::Piston Rings 1982-1987 Pontiac T1000 Base L4.-cc Engine Components::Piston Rings